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[FREELDR]

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Fix KGDT64 names, initialize KGDT64_NULL and KGDT64_R3_CMCODE

svn path=/branches/ros-amd64-bringup/; revision=45383
This commit is contained in:
Timo Kreuzer 2010-02-03 00:04:27 +00:00
parent a5e16bf6a6
commit c8f9aa3f4b
1 changed files with 25 additions and 17 deletions
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42
reactos/boot/freeldr/freeldr/windows/amd64/wlmemory.c
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@ -252,28 +252,36 @@ WinLdrSetupGdt(PVOID GdtBase, ULONG64 TssBase)
PKGDTENTRY64 Entry;
KDESCRIPTOR GdtDesc;
/* Setup KGDT_64_R0_CODE */
Entry = KiGetGdtEntry(GdtBase, KGDT_64_R0_CODE);
/* Setup KGDT64_NULL */
Entry = KiGetGdtEntry(GdtBase, KGDT64_NULL);
*(PULONG64)Entry = 0x0000000000000000ULL;
/* Setup KGDT64_R0_CODE */
Entry = KiGetGdtEntry(GdtBase, KGDT64_R0_CODE);
*(PULONG64)Entry = 0x00209b0000000000ULL;
/* Setup KGDT_64_R0_SS */
Entry = KiGetGdtEntry(GdtBase, KGDT_64_R0_SS);
/* Setup KGDT64_R0_DATA */
Entry = KiGetGdtEntry(GdtBase, KGDT64_R0_DATA);
*(PULONG64)Entry = 0x00cf93000000ffffULL;
/* Setup KGDT_64_DATA */
Entry = KiGetGdtEntry(GdtBase, KGDT_64_DATA);
/* Setup KGDT64_R3_CMCODE */
Entry = KiGetGdtEntry(GdtBase, KGDT64_R3_CMCODE);
*(PULONG64)Entry = 0x00cffb000000ffffULL;
/* Setup KGDT64_R3_DATA */
Entry = KiGetGdtEntry(GdtBase, KGDT64_R3_DATA);
*(PULONG64)Entry = 0x00cff3000000ffffULL;
/* Setup KGDT_64_R3_CODE */
Entry = KiGetGdtEntry(GdtBase, KGDT_64_R3_CODE);
/* Setup KGDT64_R3_CODE */
Entry = KiGetGdtEntry(GdtBase, KGDT64_R3_CODE);
*(PULONG64)Entry = 0x0020fb0000000000ULL;
/* Setup KGDT_32_R3_TEB */
Entry = KiGetGdtEntry(GdtBase, KGDT_32_R3_TEB);
/* Setup KGDT64_R3_CMTEB */
Entry = KiGetGdtEntry(GdtBase, KGDT64_R3_CMTEB);
*(PULONG64)Entry = 0xff40f3fd50003c00ULL;
/* Setup TSS entry */
Entry = KiGetGdtEntry(GdtBase, KGDT_TSS);
Entry = KiGetGdtEntry(GdtBase, KGDT64_SYS_TSS);
KiInitGdtEntry(Entry, TssBase, sizeof(KTSS), I386_TSS, 0);
/* Setup GDT descriptor */
@ -334,14 +342,14 @@ WinLdrSetProcessorContext(PVOID GdtIdt, IN ULONG64 Pcr, IN ULONG64 Tss)
// __lldt(0);
/* Load selectors for DS/ES/FS/GS/SS */
Ke386SetDs(KGDT_64_DATA | RPL_MASK); // 0x2b
Ke386SetEs(KGDT_64_DATA | RPL_MASK); // 0x2b
Ke386SetFs(KGDT_32_R3_TEB | RPL_MASK); // 0x53
Ke386SetGs(KGDT_64_DATA | RPL_MASK); // 0x2b
Ke386SetSs(KGDT_64_R0_SS); // 0x18
Ke386SetDs(KGDT64_R3_DATA | RPL_MASK); // 0x2b
Ke386SetEs(KGDT64_R3_DATA | RPL_MASK); // 0x2b
Ke386SetFs(KGDT64_R3_CMTEB | RPL_MASK); // 0x53
Ke386SetGs(KGDT64_R3_DATA | RPL_MASK); // 0x2b
Ke386SetSs(KGDT64_R0_DATA); // 0x18
/* Load TSR */
__ltr(KGDT_TSS);
__ltr(KGDT64_SYS_TSS);
DPRINTM(DPRINT_WINDOWS, "leave WinLdrSetProcessorContext\n");
}